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A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
This list of African-American inventors and scientists documents many of the African-Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.
William Brownie Garden (December 2, 1869 – 1960) was a Scottish inventor and entrepreneur. He is probably best known for his invention of the "revolving blackboard". Up until his death at age 90, in 1960, the ‘Inventor’ still worked at his own bench in the factory, from which came innovations like an improved saw which cut ten times quicker than any other, and an eight-wheeled car for ...
They use black tablets for the children in the schools, and write upon them along the long side, not the broadside, writing with a white material from the left to the right. [ 13 ] The first classroom uses of large blackboards are difficult to date, but they were used for music education and composition in Europe as far back as the 16th century ...
Obama became the first Black president in American history after winning the 2008 election race against John McCain. While in office, he earned a Nobel Peace Prize, worked to limit climate change ...
The post How the Clenched Fist Became a Black Power Symbol appeared first on Reader's Digest. ... Although the Civil Rights Act of 1964 had improved the situation of Black people in the United ...
100 Greatest African Americans is a biographical dictionary of one hundred historically great Black Americans (in alphabetical order; that is, they are not ranked), as assessed by Temple University professor Molefi Kete Asante in 2002. A similar book was written by Columbus Salley.
Before the Civil Rights Movement of the 1950s and 1960s, black people were largely missing from mainstream white advertising. Those who did appear typically followed the long-standing "hierarchy of skin color" whereby those with lighter skin tones were seen as being more socially and culturally acceptable than dark-skinned black people. [75] [76]